Welcome to OpenJDK 8 Updates!

OpenJDK 8 updates are a separate project of OpenJDK. Andrew Haley serves as the Project Lead. The list of Reviewers, Committers, and Authors can be found in the jdk8u entry of the OpenJDK Census.

Maintainers

General Information

As a preamble, the project lead has established general guidelines for working on jdk8u.

OpenJDK 8 updates will be delivered on the same established quarterly cycle used by Oracle i.e. "the Tuesday closest to the 17th day of January, April, July and October."

Development takes place in the jdk8u-dev Mercurial repository and should be the primary place for OpenJDK committers to submit their work.

Code from the development repository is regularly tagged and promoted to the master jdk8u repository, which is used to stabilize and deliver the quarterly releases. Distributors should use this as their primary source for creating OpenJDK builds.

For further process details, you may want to continue reading here.

Contributing

The contribution checklist is here. That page was written for OpenJDK 11 updates, but the same process is applicable for OpenJDK 8 updates as well.

New fixes should first be submitted to the development repository for the current version of OpenJDK, jdk/jdk, first. Most changes submitted to the OpenJDK 8 project will be backports from this repository. Occasional exceptions are made when an issue only applies to 8.

Everybody is encouraged to submit fixes for OpenJDK 8 updates by dropping a mail to the jdk8u-dev mailing list. Established community members will help new developers without commit access in getting their patch reviewed. Should you not be willing or not be able to drive a fix into OpenJDK 8 updates, you can still suggest changes. But by only doing that, you are at the grace of the community to pick up your suggestion.

Fix Approvals

In general, we follow the common rules for the jdk-updates project.

If the backport requires more than just cosmetic changes (file location changes, copyright header updates) to apply to the 8u tree, it should first be submitted for review.

Push approval for a fix is then requested by setting the jdk8u-fix-request label on the original JBS bug. The maintainer will either approve this by setting jdk8u-fix-yes or reject it by setting jdk8u-fix-no. Outstanding approvals can be monitored here. If, and only if, the fix is approved, it may be pushed to the appropriate jdk8u-dev repositories. Approved fixes show up in this JBS filter (login required).

During the later stages of a release cycle, the release enters rampdown. The master jdk8u repositories contain the latest version of that release, while the jdk8u-dev repositories are used to start work on the next release. If a change needs to be pushed to a release in rampdown, push approval can still be requested using the jdk8u-critical-request label. As the name of this tag suggests, this process is intended for fixes such as major regressions that must make the release. More minor bugs and new features should go in the next release being developed in jdk8u-dev. The maintainers may approve with jdk8u-critical-yes, defer to jdk8u-dev or reject altogether. Outstanding approvals for critical fixes can be monitored here. If, and only if, the fix gets approved with jdk8u-critical-yes, it may be pushed to the jdk8u repository. Approved critical fixes show up in this JBS filter (login required).

At the end of the month prior to the release month, the jdk8u repository is declared frozen so embargoed security fixes can be added in private during the final few weeks. On release day, the final version will be pushed to the jdk8u repository and source bundles made available.

Repository Status

jdk8u-dev: Closed prior to commencement of development of 8u252.

jdk8u: Integration of 8u242 build promotions only.

Timelines

OpenJDK 8u242

Thursday, September 5th 2019: jdk8u-dev forest open (tag: jdk8u242-b00)
Wednesday, November 6th 2019: First build promotion jdk8u-dev→jdk8u (tag: jdk8u242-b01)
Wednesday, November 13th 2019: Second build promotion jdk8u-dev→jdk8u (tag: jdk8u242-b02)
Wednesday, November 27th 2019: Third build promotion jdk8u-dev→jdk8u (tag: jdk8u242-b03)
Wednesday, December 4th 2019: Fourth build promotion jdk8u-dev→ jdk8u (tag: jdk8u242-b04)
Wednesday, December 11th 2019: Fifth build promotion jdk8u-dev→ jdk8u (tag: jdk8u242-b05) & start of Rampdown phase
Wednesday, December 18th 2019: First jdk8u build promotion (tag: jdk8u242-b06)
Wednesday, December 25th 2019: Second & last tag before code freeze (tag: jdk8u242-b07)
Tuesday, January 14th 2020: GA; OpenJDK 8u242 released (tag: jdk8u242-ga, likely to be jdk8u242-b08)

OpenJDK 8u252

Thursday, December 12th 2019: jdk8u-dev forest open (tag: jdk8u252-b00) (TBC)

Releases

Latest: 8u232

8u232-b09 (GA), October 15th 2019 [Release] [Tag] [Binaries] [Missing changes vs 8u232 of Oracle] (JBS Login required) [Additional changes vs 8u232 of Oracle] (JBS Login required)

Older releases can be found in the archive.

JBS Filters

Some filters will only work for users that are logged into JBS.

Source code

The jdk8u-dev forest for ongoing development can be cloned using this command: hg clone http://hg.openjdk.java.net/jdk8u/jdk8u-dev;cd jdk8u-dev;sh get_source.sh

The corresponding master forest jdk8u can be cloned using this command: hg clone http://hg.openjdk.java.net/jdk8u/jdk8u;cd jdk8u;sh get_source.sh

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